Home / 38,143.74-57,129-32,836.62

Finding the Fourth Proportional to 38,143.74, 57,129 and 32,836.62

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Solution

The fourth proportional to 38,143.74, 57,129 and 32,836.62 is: 49,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.74 : 57,129 = 32,836.62 : x
  2. Step 2: Convert to fraction form
    38,143.74/57,129 = 32,836.62/x
  3. Step 3: Cross multiply
    38,143.74x = 57,129 × 32,836.62
  4. Step 4: Simplify right side
    38,143.74x = 1,875,923,263.98
  5. Step 5: Solve for x
    x = 1,875,923,263.98/38,143.74
  6. Step 6: Final answer
    x = 49,180.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.